Mizugiwa 30mm Medium Profile Picatinny QD Scope Mount Ring - 2 Pcs 4-screw High Profile Scope Mount Ring, Precision Machined From Aluminum Alloy with Anodized Black Matte Finish Pair of (2) Fully Adjustable Military Grade High profile 1" scope rings Robust and User Friendly Ergonomic Quick Detach/Lock Lever Fully Adjustable to Fit on Any Picatinny Rail Tight Tolerance Control and Repeatable Positive Locking for Optimal Re-zero Performance Extensively Field Tested under Extreme Operations and Well Received by Field Experts and Law Enforcement Personnel